Giselle Toste Oliveira
Giselle Toste Oliveira

Data Architect and Analytics Engineer

Actively looking · Member since 28 Sep 2026
Location
Rio das Ostras, Brazil
Desired salary
Unspecified
Work preference
Remote Only / Full Time, Part Time, Contract, Freelance, Temporary
Experience level
Lead

About

Professional summary

I am a Data Engineer and Data Architect with more than 18 years of experience designing, evolving, and supporting scalable analytical architectures for executive decision-making.

I connect data, technology, and business needs to deliver governed, reliable, and high-quality analytical solutions. My work focuses on data governance, enterprise metric standardization, strategic BI, and information quality.

I combine architectural vision with hands-on technical delivery. I design analytical data layers, create conceptual, logical, and physical data models, integrate multiple sources, and build ETL/ELT pipelines.

I work with SQL optimization, data virtualization, Power BI semantic models, DAX, Python, and cloud environments including AWS, Azure, and GCP. I aim to deliver solutions that are scalable, traceable, sustainable, and aligned with real business needs.

Throughout my career, I have supported complex projects in Oil & Gas, financial services, and insurance. I also provide technical leadership, guide teams in data modeling and analytics best practices, and communicate effectively with executive stakeholders.

I have experience leading technical teams, managing delivery risks, facilitating Agile practices, and translating strategic business requirements into clear and valuable data solutions.

Skills

37 capabilities

Tech stack & tools

Working toolkit

Collaboration

Design

Development

Languages & Frameworks

Marketing and Sales Tools

Experience

Career history

Data & Analytics Architect | Data Analysis Specialist Capco

Designed, evolved, and supported analytical data architectures for executive decision-making in a complex Oil & Gas corporate environment while delivering services for Petrobras.

Defined data layers, integrated multiple sources, and standardized strategic KPIs to improve governance, traceability, and reliability of information consumed through Power BI executive dashboards. Performed analytical data modeling, data virtualization, and SQL query optimization focused on performance, scalability, and reduced dependence on operational systems.

Partnered directly with business areas to translate strategic needs into clear, sustainable, value-oriented analytical solutions.

Technical Lead | Data & Analytics Architect Minsait

Provided technical leadership for solution definition with development, data, and architecture teams while delivering services for Petrobras.

Directed strategic BI initiatives and supported decisions related to data modeling, integration, information quality, and analytical consumption. Planned and monitored deliveries in complex corporate environments, ensuring adherence to architectural standards and technical requirements.

Communicated delivery status and risks to executive stakeholders while maintaining alignment between technical and business teams.

Scrum Master | Squad Lead Capco

Facilitated the Scrum framework for high-impact squads delivering services for Bradesco PDPJ.

Performed data analysis to build risk dashboards and project delivery indicators. Managed the application lifecycle, including releases, risks, communications, and monitoring of team deliveries.

Modeled business processes using BPM and followed the complete software development workflow.

Data Analyst Capgemini

Administered and modeled data for Bradesco Seguros, using ERwin to create and modify conceptual and logical data models.

Provided technical support to Scrum teams working on data and analytics initiatives, helping ensure data-model consistency and delivery alignment.

Data Analyst | Analytics Specialist Logicalis Brasil

Developed Power BI dashboards with data storytelling tailored to decision-making needs.

Created strategic KPIs and integrated analytical solutions with platforms including Salesforce and ServiceNow.

Senior Consultant | Team Lead Tata Consultancy Services

Worked on enterprise-scale database modeling for Petrobras, designing conceptual, logical, and physical structures for corporate projects.

Developed ETL processes to prepare, transform, and deliver data for dashboards and strategic indicators. Built executive KPIs with emphasis on standardization, analytical consistency, and alignment with business requirements.

Led a Software Quality team across requirements gathering, planning, testing, acceptance, and production deployment. Also modeled BPM processes, created test cases, and defined critical scenarios to ensure integrity and reliability of deliveries.

Data Administrator Spassu Tecnologia e Serviços

Built and maintained conceptual, logical, and physical data models for Petrobras, ensuring consistent structures aligned with business rules.

Integrated data solutions and flows and led Data Quality initiatives with Scrum teams to improve information accuracy and reliability. Created a virtual data layer between physical models and applications to reduce rework, refactoring costs, and improve data-consumption flexibility.

Implemented and migrated physical database structures while ensuring operational continuity, security, and compliance with architectural standards.

Data Administrator Globo.com

Administered and modeled data using ERwin and MySQL Workbench, developing conceptual, logical, and physical models for corporate systems.

Created physical database structures in Oracle and MySQL with focus on efficiency, security, and architectural best practices. Validated models and physical projects before production release.

Ensured logical projects adhered to systems architecture and collaborated with Scrum teams to support Agile development and quality delivery.

Education

Learning history

PUCRS

MBA, Technology for Business: AI, Data Science and Big Data

Universidade Estácio de Sá

MBA, Project Management

Universidade Estácio de Sá

Higher Education Degree, Systems Analysis and Development

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